Stihl FS 460 Service Manual

55FS 240 C, FS 260 C, FS 360 C, FS 410 C, FS 460 C-M
6.7 Troubleshooting, Ignition System
Engine does not run
Slide control or lever for stop function:
– Set to position "F" or not pressed?
Check spark plug:
– Smeared with oil, black?
– Sooted?
– Electrode gap correct?
– Contacts shorted (threads)?
– Clean, adjust or replace spark plug,
b 6.3
Check spark plug boot:
– Firmly seated on spark plug (torsion
spring)?
– Torsion spring hook in center of ignition
lead?
– Spark plug boot damaged?
– Replace spark plug boot and/or torsion
spring if necessary,
b 6.4
Check ignition:
with ZAT 3 or ZAT 4
(use ZAT 3 as main spark gap
see TI 32.94),
b 6.3
1

Stihl FS 460 Specifications

General

Cutting Diameter	480 mm
Idle Speed	2, 800 rpm
Ignition System	Electronic
Carburetor	All-position diaphragm carburetor
Vibration Damping	Yes
Shaft Type	Straight
Fuel Capacity	0.75 liters
Maximum Power Speed	9500 rpm
Shaft Length	1, 800 mm